Carriage for typewriting machines



E. B. HESS AND L. C. MYERS.

CARRIAGE FOR TYPEWHIHNG MACHINES. APPLICATION FILED MAY 27. 1921.

1,415,031. Q Patented May9,1922..

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EDWARD BERNARD HESS AND LEWIS CARY OF BROOKLYN NEW YORK,

ASSIGNORS T0 ROYAL T'YPEWRITER COMPANY, INC., OF NEW YORK, N. Y.

CARRIAGE FOB TYPEWBITING MACHINES.

Specification of Letters Patent.

Patented May 9,1922.

Original application filed January 13, 1921, Serial No. 436,924. Divided and this application filedMay T 0 all whom it may concern Be it known that we, Enwnnn BERNARD Hnss and Lnwrs CARY MYERS, both citizens of the United States, residing in Brooklyn, in the county of Kings, city. and State of New York, have invented certain new and useful Improvements in Carriages for Typewriting Machines, of which the following is a specification.

The application for this patent is a division of our application for patent filed Jan. 13, 1921, No. 436,924. The claims herein relate particularly to improvements in the can riage and devices for connecting it to the carriage shift rail.

According to our invention the two side plates of the carriage are connected by a sheet metal rail which rests on anti-friction balls carried in a race-way formed in the carriage rail and in a sheet metal carriage shift rail below it. The carriage is raised and lowered with the shift rail but is mount ed to move thereon across the machine.

In order to hold the two rails together so that they shall not separate we employ connecting plates which provide a continuous connection between the two rails from end to end of the carriage so that the two rails are always held in proper relation to each other. It is desirable that each plate should be continuous instead of divided into separate sections in order that the shift rail and the carriage rail may be held together not only when the carriage is arranged centrally in the machine but also when it projects from either side thereof and our improvements have this advantage. Means, is provided whereby the position of the connecting devices or clamps may be adjusted within certain limits.

In the accompanying drawings Figurel is a rear elevation of parts of the carriage showing how our improvements are applied thereto.

Figure 2 is a cross sectional view of the parts shown in Fig. 1.

Figure 3 is a detail view, showing how the clamping plates may be adjusted.

The side plates of the carriage are inclicated at A, and B indicates the platen. C indicates the margin stop rail; D, a brace rod connecting the carriage side plates A..

E indicates parts of the opposite sides of the base frame of the machine.

Serial No. 473,163.

shoulder f to which the clamping plates are attached. The carriage shift rail H is made of sheet metal and is formed with a groove it to provide part of the ball-race; The anti-friction balls L are carried in the ball raceand are prevented from leaving either end thereof by stops Z on the shift rail. 7

The rails F and H are connected by clam ping plates M, M. These two plates are preferably of the same length. They abut at their inner ends and extend completely to opposite sides of the carriage. They are L-shaped in cross-section, the part at being secured to the carriage rail F and bridging the space between the two rails. The part m extends under the downwardly extending flange h on the rail H.

In this way the two rails are held at all times in proper relation to each other, while the carriage is free to move on the ball bearings across the machine.

The screws N which hold the clamp plates on the rail F extend through holes at which are larger in diameter than the screws. It will be observed that there are two clamp plates employed and that they are capable of adjustment by the devices just described in any necessary direction so that carriage and the shift'rail may be so connected as to hold them in proper relation while at the same time permitting the carriage to have claimed in other copending applications.

The rails F and H provide upper and lower ball-race members which are connected or clamped in such manner that they cannot move vertically relatively to each other, either while one is wholly above the other or when the upper member projects from either side thereof.

We claim as our invention:

1. In a typewriting machine the combina tion with a carriage having upper and lower ball-race members, of clamping plates continuous from one side of the carriage to the other for connecting the ball-race members and which have means for adjusting them relatively to each other and to the ball-race members.

2. In a typewriting machine a carriage provided with ball-race members which are connected by two clamping plates continuous from side to side of the carriage but which are provided with means for adjusting them relatively to each other and to the ball-race members.

8. In a typewriting machine the combination with a carriage having upper and lower ball-race members, of clamping means com prising two members together "forming a continuous clamping surface which holds the ball-race members together but permits one to move longitudinally relatively of the other.

4:- ln a typewriting machine the combination with a carriage having upper and lower ball-race members, of clamping means com prising two members together providing a continuous clamping surface and means for adjusting the clamping members.

5. In a typewriting machine the combination with a carriage having a sheet metal rail formed with a shoulder and part of a ball-race, of a carriage shift rail formed with the other part of the ball-race, and two clamping plates abutting at their inner ends adjustably secured to the shoulder of the carriage rail and extending to the opposite sides of the carriage.

In testimony whereof, we have hereunto subscribed our names.

EDWARD BERNARD HESS. LEWVIS CARY MYERS. 

